Variation

Question 1

True or false? Variation is all the differences that exist in a population of different species.

Answer 1

False
same species

Question 2

Describe the process involved in a survey of discontinuous variation. Give examples in your answer.

Answer 2

A survey involves measuring a characteristic in a number of people or organisms.
If results from a survey come in groups then this is discontinuous variation.
Examples include blood group and eye colour.
Results are presented in a bar chart without a line of best fit.

Question 3

Describe the process involved in a survey of continuous variation. Give examples in your answer.

Answer 3

A survey involves measuring a characteristic in a number of people or organisms.
If results from a survey come in a range then this is continuous variation.
Examples include height and weight.
Results are presented in a line graph or a bar chart with a line of best fit.